NPEs in jnode-japi

Project:JNode Builder
Component:Code
Category:bug report
Priority:minor
Assigned:Unassigned
Status:active
Description

The build status log shows many messages like these :

...
[exec] Failed to Japize java.lang.management.ManagementFactory: java.lang.NullPointerException
[exec] -
[exec] Failed to Japize java.lang.management.ManagementPermission: java.lang.NullPointerException
[exec] ++
[exec] Failed to Japize java.lang.management.MemoryNotificationInfo: java.lang.NullPointerException
[exec] +
[exec] Failed to Japize java.lang.management.MemoryType: java.lang.NullPointerException

Isn't there a way to avoid them ?